Thinking of Fish Population Discrimination: Population Average Phenotype vs. Population Phenotypes
نویسندگان
چکیده
The genetic polymorphism and phenotypic variation are key in ecology evolution. morphological variability of the contour fish otoliths has been extensively used for delimitation stocks. These studies conventionally based on average phenotype using elliptic Fourier analysis lineal discriminant as classifier. Considering new analytical options, such wavelet transform non-parametric algorithms, we here analyzed otolith shape Trachurus picturatus (blue jack mackerel) from mainland Portugal, Madeira, Canaries. We explore throughout a latitudinal gradient, establish hypothesis to explain this reaction norms, determine how use and/or morphotypes influences Four were identified all regions, with an increase phenotypes warmer waters. findings demonstrated that stocks clearly separated classification rates over 90%. morphotypes, revealed seasonal variations their frequencies per region. presence shared different proportions among fishing grounds may open management approaches migratory species. results show importance diversity fisheries management.
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ژورنال
عنوان ژورنال: Frontiers in Marine Science
سال: 2021
ISSN: ['2296-7745']
DOI: https://doi.org/10.3389/fmars.2021.740296